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Chapter 2, Section 2
Test Description: It's Alive!! or, is it
Instructions: Answer all questions to get your test result.
1) Ogranisms must have food because ___.
A
organisms never amke their own food
B
all of the answers
C
food supplies cells with oxygen
D
food is a source of energy
2) What are the four basic necessities of life?
A
water, air, food, and clothing
B
air, water, food, and living space
C
sunlight, water, food, and clothing
D
sunlight, air, water, food
3) Most plants are ___.
A
producers
B
decomposers
C
none of the answers
D
consumers
4) Which statement best describes how consumers get the food they need to survive?
A
they break down the nutrients in dead organisms or animal wastes
B
the obtain energy and food from the chemicals in their environment
C
they eat other organisms
D
they use energy fro the sun to make food from water and carbon dioxide
5) A salamander is an example of a ___.
A
scavenger
B
consumer
C
producer
D
decomposer
6) Fungus is an example of a
A
producer
B
consumer
C
scavenger
D
decomposer
7) The metabolism of an organism includes activities such as ___.
A
building cells
B
making food
C
all of the answers
D
moving materials in and out of cells
8) A human can survive without water for only ___.
A
one week
B
five days
C
three days
D
one day
9) The cells of which of the following organisms are make up of approximately 70 % water?
A
a dragonfly
B
a cactus
C
a camel
D
all of the organisms
10) Living things need water. The human body is approximately 70 % water. If a student has a mass of 40 kg, what would the student's mass be without the water?
A
28 kg
B
30 kg
C
10 kg
D
12 kg
*select an answer for all questions
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